(a) Whenever it is provided by law that the grand jury of any county shall elect, select, or appoint any person to any office, notice thereof shall be given in the manner provided in subsection (b) of this Code section.

(b) It shall be the duty of any board, authority, or entity whose members are elected, selected, or appointed by the grand jury of a county to notify the clerk of superior court in writing, at least 90 days prior to an upcoming election, selection, or appointment by the grand jury, that the grand jury shall elect, select, or appoint a person to the office held by such member at the time of notice; except where a vacancy has been created by death, resignation, or removal from office, in which case notice shall be given within ten days of the creation of the vacancy. It shall be the duty of the clerk of superior court, upon receiving notice of the upcoming appointment, to publish in the official organ of the county a notice that certain officers are to be elected, selected, or appointed by the grand jury of the county. The publication shall be once a week for two weeks during a period not sooner than 60 days prior to the election, selection, or appointment, except, where a vacancy has been created by death, resignation, or removal, notice shall be published once a week for two weeks during a period not sooner than ten days prior to the election, selection, or appointment. The cost of advertisement shall be paid from the funds of the county. It shall be the duty of the governing authority of the county to pay the cost promptly upon receiving a bill for the advertisement.